MOUNTING OPTIONS
¼-20 hex nuts secure mounting brackets to housing. Loosen and
re-tighten or remove and replace nuts as necessary for desired
mounting bracket position.
yy
yyyy
12¼"
Mounting brackets in
factory-shipped position.
(Outlet parallel to joists.)
(New construction)
yyy
yyy
12¼"
Mounting brackets mounted
to outlet sides of housing.
(Outlet perpendicular to joists.)
(New construction)
yy
yyyy
12¼"
Mounting brackets mounted
to top of sides of housing.
(Outlet parallel to joists.)
(New or existing construction)
WIRING OPTIONS
WIRING PLATE
POSITION
HORIZONTAL POWER
CABLE CONNECTION
Wiring plate mounts to side or top of housing.
@@@
@@@
yyy
@@@
@@@
yyy
@@@
@@@
@@@
@@@
@@@
@@@
@@@
@@@
@@@
@@@
@@@
@@@
yyy
@@@
@@@
1
1
/
"
8
MAX.
yyy
yyyy
yyyy
12¼"
Mounting brackets flipped
over and mounted to outlet
sides of housing.
(Outlet parallel to joists.)
(Existing construction)
yy
yyyy
12¼"
Mounting brackets flipped
over to give approx. 1"
more clearance.
(Outlet parallel to joists.)
(New construction)
9
1
/
"
2
to
yyy
yyyy
yyyy
10
1
/
"
2
12¼"
Mounting brackets flipped
over and mounted to top of
sides of housing.
(Outlet parallel to joists.)
(New or existing construction)
VERTICAL
POWER
CABLE
CONNECTION
L100L • L150L • L200L • L250L • L300L
DUCTING OPTIONS
BLOWER DISCHARGE POSITIONS
DUCT
CONNECTOR
1½"
to
2½"
BLOWER
1
/
1
"
2
to
2
1
/
"
Blower and duct connector
2
in straight through dis-
charge position.
(Factory shipped)
DUCTING (Right angle blower discharge)
ROUND
DUCT*
10
3
/
"
4
to
11
3
/
"
4
Typical ductwork connection to a ventilator converted to
* L100L & L150L use 6" round duct.
L200L, L250L, & L300L use 8" round duct.
USE AND CARE
Ventilator is designed for continuous operation. If desired, it may
be controlled using an on/off switch or an electronic, variable speed
control. Follow wiring instructions packed with control, and adhere
to all local and state codes, and the National Electrical Code.
WARNING: To reduce the risk of electric shock,
disconnect from power supply before servicing.
To clean blower assembly: Remove access panel, unplug blower
from housing, remove blower mounting nuts, and carefully remove
blower from housing. Use appropriate vacuum attachment or a soft
cloth and mild soap or detergent to clean blower discharge area
and wheel. DO NOT ALLOW WATER TO ENTER MOTOR. Make
sure blower assembly is completely dry before reinstalling.
Motor is permanently lubricated. Do not oil or disassemble motor.
DUCT
CONNECTOR
Change
blower &
duct
connector
positions for
right angle
discharge.
BLOWER
Blower and duct connector
in right angle discharge
position.
ROOF CAP
right angle discharge.
MODELS
Page 3